(-5⁄7) * 7 + 22⁄7 * (-21⁄14). Помогите!!!!!

Question

(-5⁄7) * 7 + 22⁄7 * (-21⁄14). Помогите!!!!!

Answer 1

(-5⁄7) * 7 + 22⁄7 * (-21⁄14)=-5⁄7 * 7 - 22⁄7 * 21⁄14=-5-22/1*3/14=-5-11*3/7=
=-5-33/7=-5-4 5/7=-9 5/7